CVE-2021-3631
Published: 2 March 2022
A flaw was found in libvirt while it generates SELinux MCS category pairs for VMs' dynamic labels. This flaw allows one exploited guest to access files labeled for another guest, resulting in the breaking out of sVirt confinement. The highest threat from this vulnerability is to confidentiality and integrity.
Priority
Negligible
CVSS 3 base score: 6.3
Status
| Package | Release | Status |
|---|---|---|
|
libvirt Launchpad, Ubuntu, Debian |
bionic |
Released
(4.0.0-1ubuntu8.21)
|
| focal |
Released
(6.0.0-0ubuntu8.16)
|
|
| groovy |
Ignored
(reached end-of-life)
|
|
| hirsute |
Ignored
(reached end-of-life)
|
|
| impish |
Not vulnerable
(7.6.0-0ubuntu1)
|
|
| jammy |
Released
(7.6.0-0ubuntu3)
|
|
| kinetic |
Released
(7.6.0-0ubuntu3)
|
|
| trusty |
Needs triage
|
|
| upstream |
Released
(7.6.0-1)
|
|
| xenial |
Needs triage
|
|
|
Patches: upstream: https://gitlab.com/libvirt/libvirt/-/commit/15073504dbb624d3f6c911e85557019d3620fdb2 |
||